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Abd ar-Rahman III, emir and caliph of Córdoba

(Encyclopedia)Abd ar-Rahman III, 891–961, Umayyad emir (912–29) and first caliph (929–61) of Córdoba. When he succeeded to the throne, the Spanish emirate was reduced to Córdoba and its environs and beset w...

Peter III, king of Aragón and king of Sicily

(Encyclopedia)Peter III (Peter the Great), 1239?–1285, king of Aragón and count of Barcelona (1276–85) and king of Sicily (1282–85); son and successor of James I. In 1280 he established Aragonese influence o...

Drouyn de Lhuys, Édouard

(Encyclopedia)Drouyn de Lhuys, Édouard ādwärˈ dro͞oăNˈ də lüēsˈ [key], 1805–81, French diplomat. He served under the July Monarchy. After the Revolution of 1848, he was president of the committee of fo...

Ephesus, Council of

(Encyclopedia)Ephesus, Council of, 431, 3d ecumenical council, convened by Theodosius II, emperor of the East, and Valentinian III, emperor of the West, to deal with the controversy over Nestorianism. Adherents of ...

Gregory IX

(Encyclopedia)Gregory IX, 1143?–1241, pope (1227–41), an Italian named Ugolino di Segni, b. Anagni; successor of Honorius III. As cardinal under his uncle, Innocent III, he became, at St. Francis' request, the ...

Boleslaus I

(Encyclopedia)Boleslaus I bōˈləslôs [key], c.966–1025, Polish ruler (992–1025), the first to call himself king; also called Boleslaus the Brave. He succeeded his father, Mieszko I, as duke of Poland, seized...

Theodoric the Great

(Encyclopedia)Theodoric the Great, c.454–526, king of the Ostrogoths and conqueror of Italy, b. Pannonia. He spent part of his youth as a hostage in Constantinople. Elected king in 471 after his father's death, h...

Russian and Soviet Rulers since 1462 (table)

(Encyclopedia)Russian and Soviet Rulers since 1462(including dates of rule) House of Rurik House of Godunov Usurpers House of Romanov Provisional Government(premiers) Soviet Russia (1917–22) and the U...

Este, Italian noble family

(Encyclopedia)Este ĕsˈtā [key], Italian noble family, rulers of Ferrara (1240–1597) and of Modena (1288–1796) and celebrated patrons of the arts during the Renaissance. Probably of Lombard origin, they took ...

Louise

(Encyclopedia)Louise ləwēzˈ [key], 1776–1810, queen of Prussia, consort of Frederick William III; a princess of Mecklenburg-Strelitz. During the Napoleonic Wars her patriotism and bravery won her lasting popul...